<template>
    <div :class="{ hidden: hidden }" class="pagination">
        <el-pagination
            v-model:current-page="currentPage"
            v-model:page-size="pageSize"
            :background="background"
            :layout="layout"
            :page-sizes="pageSizes"
            :total="total"
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
        />
    </div>
</template>

<script setup lang="ts">
import { PropType } from 'vue';

import { scrollTo } from '@/utils/scroll-to';

const props = defineProps({
    total: {
        required: true,
        type: Number as PropType<number>,
        default: 0,
    },
    page: {
        type: Number,
        default: 1,
    },
    limit: {
        type: Number,
        default: 20,
    },
    pageSizes: {
        type: Array as PropType<number[]>,
        default() {
            return [10, 20, 30, 50];
        },
    },
    layout: {
        type: String,
        default: 'total, sizes, prev, pager, next, jumper',
    },
    background: {
        type: Boolean,
        default: true,
    },
    autoScroll: {
        type: Boolean,
        default: true,
    },
    hidden: {
        type: Boolean,
        default: false,
    },
});

const emit = defineEmits(['pagination', 'update:page', 'update:limit']);

const currentPage = useVModel(props, 'page', emit);

const pageSize = useVModel(props, 'limit', emit);

function handleSizeChange(val: number) {
    emit('pagination', { page: currentPage, limit: val });
    if (props.autoScroll) {
        scrollTo(0, 800);
    }
}

function handleCurrentChange(val: number) {
    currentPage.value = val;
    emit('pagination', { page: val, limit: props.limit });
    if (props.autoScroll) {
        scrollTo(0, 800);
    }
}
</script>

<style lang="less" scoped>
.pagination {
    padding: 12px;
    display: flex;
    justify-content: flex-end;
    &.hidden {
        display: none;
    }
}
</style>
